GB 4234.9-2023 Chinese PDF GB/T 33588.1-2025 GB/T 45454-2025_Chinese: Compression and injection

GB/T 45454-2025_Chinese: Compression and injection moulds - Components for gating systems (Chinese: 压缩模和注射模 浇注系统零件)

English versions: GBZ45378-2025

English versions: GB/T 31126

13-2025_Chinese: Electronic railway equipment - Train communication network (TCN) - Part 4-1: The test method of train communication network based on Wire Train Bus(WTB) (Chinese: 轨道交通电子设备 列车通信网络（TCN) 第4-1部分：基于绞线式列车总线（WTB）的列车通信网络试验方法)

GB/T 45333-2025_Chinese: Diamond-like carbon films - Determination of friction and wear characteristics of diamond-like carbon films by ball-on-disc method (Chinese: 类金刚石薄膜 球盘法测试类金刚石薄膜的摩擦磨损性能)

GB 4234.9-2023 Chinese PDF GB/T 33588.1-2025 GB/T 45454-2025_Chinese: Compression and injectionGB 4234. 9 2023_Chinese: Implants for surgery Metallic materials Part 9: Wrought high nitrogen stainless steel (Chinese: 9) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 4234. 9 2023